rosaflorence09
rosaflorence09 rosaflorence09
  • 12-01-2021
  • Mathematics
contestada

Please help I’m really bad at math.:(
A)x=10
B)x=6
C)x=8
D)x=7

Have a great day you beautiful person!!!!

Please help Im really bad at math Ax10 Bx6 Cx8 Dx7 Have a great day you beautiful person class=

Respuesta :

RahmaAbdullatif
RahmaAbdullatif RahmaAbdullatif
  • 12-01-2021

Answer:

The following solution is incorrect. The correct value of x is 7.

Step-by-step explanation:

[tex]3(4x - 15) = 39[/tex]

Distribute 3 to (4x-15). When distributing, the value outside parentheses is multiplied to all the numbers inside the parentheses. Since the 3 was only multiplied to 4x, the solution is wrong.

[tex]12x - 45 = 39[/tex]

Add 45 to both sides.

[tex]12x = 84[/tex]

Divide by 12 from both sides.

[tex]x = 7[/tex]

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